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3 years ago

If a number is positive, then it’s square is positive

Mathematics

2 answers:

8_murik_8 [283]3 years ago

5 0

Yes.
+ x + = +
- x + = -
- x - = +

NNADVOKAT [17]3 years ago

3 0

Answer:

Yes, because of the fact that (+)(+)=+, but (-)(+)=-

Step-by-step explanation:

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What is the value of (-7+3i)-(2-6i)?

IRISSAK [1]

The answer is -9 + 9i. Hope this helped.

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4 years ago

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Subtract 8 y^2 − 5 y + 7 from 2 y^2 + 7 y + 1 1 The answer is: −6y ^2 +12y+4

lys-0071 [83]

Answer:

$\large\boxed{-6y^2+12y+4}$

Step-by-step explanation:

$(2y^2+7y+11)-(8y^2-5y+7)\\\\=2y^2+7y+11-8y^2-(-5y)-7\\\\=2y^2+7y+11-8y^2+5y-7\qquad\text{combine like terms}\\\\=(2y^2-8y^2)+(7y+5y)+(11-7)\\\\=-6y^2+12y+4$

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4 years ago

2. Consider the function g(x) = A. f(x) + D.

Vikentia [17]

Answer:

I think the answer is A

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3 years ago

What is the greatest common factor of 8x and 40?

Salsk061 [2.6K]

Answer:5

Step-by-step explanation:

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4 years ago

What are the values of mode and median in the following set of numbers? 1,3,3,6,6,5,4,3,1,1,2 Mode: 1, 2, Median: 2 Mode: 1,3, M

AURORKA [14]

<h3>given:</h3>

$1 \: 3 \: 3 \: 6 \: 6 \: 5 \: 4 \: 3 \: 1 \: 1 \: 2$

the mode and median of the given numbers set.

<h3>solution:</h3><h3>mode:</h3>

the most frequently occurred number.

$mode = 1 \: and \: 3$

<h3>median:</h3>

first arrange all the numbers in either decending or ascending order, then find the number in the middle.

$1 \: 1 \: 1 \: 2 \: 3 \: 3 \: 3 \: 4 \: 5 \: 6 \: 6$

$median = 3$

hence, the median of the following data set is 3 and the mode is 1 and 3

8 0

2 years ago